U haven't mentioned any specific details you're looking for in romance so im just suggesting randoms:
Our relationship is... (college life. Best friends to lovers. One of my fav)
Flawless (literally the plot is flawless. So good. Webtoon. Guy is hawt)
Baraou no souretsu (dark and twisted but still beautiful)
Ne ne nene san
Devil's line (hawt rom, great story line.)
All of the above are completed
Her Shimcheong
Shutline
To be or not to be
10 dance
Rainbow city
Karekano
Had the strangest craving for romance. Give me romance recommendations plsssss